REP02002

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: TABLE 1 CYPRUS YAMPA VALLEY COAL CORP FOIDEL CREEK MINE 1998 ANNUAL HYDROLOGY REPORT WATER QUALITY D
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

1PRUS TW ENTYMILE COAL COMPANY: FOfDEL CREEK MDVE
96 ANNUAL HYDROLOGIC REPORT
UMM1IARY OF WATER QUALITY DATA

summery of water quality deta.brw
Average Std. Maximum Minimum Units Count Begio Eod
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 9.733 3.4 20.000 3.000 DECREES C 237 06!19 09/96
2 CONDUCCIVITY FIELD 1016.953 314.4 3220.000 330.000 UMHOS/CM 235 06!79 09/98
J LAB 1190.960 97.2 1540.000 1015.000 UMHOS/CM 49 0786 08/98
4 PH FIELD 7.597 0.5 8.800 6.200 PH 235 07/19 09/98
5 LAB 8.011 0.2 8.400 7.700 PN 9 0786 08/98
6 ALKALINITY TOTAL 436333 37.0 472.000 220.000 MC/L 51 0786 08/98
7 ACIDITY AS CAC03 1.500 6.8 10.000 4.000 MG/L 4 11(79 11/81
8 HARDNESS TOTAL 187.000 74.4 660.000 37.990 MG/L 97 03/79 08/98
9 SOLH)S DISSOLVED 750.069 875 1220.000 580.000 MC/L 101 03!19 08/98
IO SUSPENDED 29.000 14.1 52.000 14.000 MG/L 12 06/79 06/91
I1 CATIONS CALCIUM DISSOLVED 42.161 143 122.000 13.160 MC/L 101 03/79 OB/96
12 MAGNFSHJM DISSOLVED 20.475 10.0 92.000 1.230 MG/L 101 03!79 08/96
13 SODIUM DISSOLVED 217.842 29.2 310.000 125.000 MG/L (OI 03!79 08N6
I4 POTASSIUM DISSOLVED 4.713 1.2 8.700 1.740 MG/L 35 03!79 04/83
IS SAR NOT APPLICABLE 7.001 1.6 12.719 0.213 UNDEFDVED 102 03!79 06/96
I6 ANIONS BICARBONATE A8 HC03 510.667 68.9 597.800 204.000 MC/L 98 06!19 08N8
17 CARBONATE AS C03 11.573 143 43.200 -2.000 MG/L 45 06!19 08N6
IN HYDROXIDE AS OH -2.000 0.0 -2.000 4.000 D1G/L 16 J2N4 08N8
19 CHLORIDE NOi APPLICABLE 11.172 7.6 47.000 1.000 AIC/L 46 06!79 01/87
20 SULFATE NOT APPLICABLE 205.297 64.6 540.000 111.000 MC/L 101 03/19 08/98
21 PR1M1fARY ARSENIC DISSOLVED -0.806 2.2 4.000 -5.000 UG/L 31 06/19 0489
22 BARIUM DISSOLVED I.07I 384.5 1300.000 -300.000 UG/L 28 04/19 11/81
23 CADMIUM DISSOLVED -2.440 9.2 33.000 -20.000 UG/L 73 06!79 OB/96
24 TOTAL RECOV 0.200 0.0 0.200 0.200 UG/L I 06N1 06/91
25 LEAD DISSOLVED -39.167 56.1 20.000 -200.000 UG/L 60 06!79 08/98
26 MERCURY DISSOLVED -0.288 0.5 3.000 -1.000 UG/L 77 06!19 08/98
27 ~ TOTAL RECOV 0.100 0.0 0.100 0.100 UC/L I 06/91 06N1
28 SELENIUM DISSOLVED -0.750 3.1 24.000 -5.000 UG7L 76 06!79 08/98
29 TOTAL RECOV -1.000 0.0 -1.000 -1.000 UC/L 1 06N1 06/91
70 SILVER DISSOLVED -36.667 5.6 -30.000 -00.000 UG/L 3 IIBO IIBI
3J TOTAL RECOY -0.500 0.0 -0.500 -0.500 UG/L l 06N1 06/91
32 SECONDARY COPPER DISSOLVED -14.848 29.0 80.000 -30.000 UG/L 33 03/79 0483
33 ZPIC DISSOLVED 35.939 42.6 230.000 -10.000 UG/L 49 03x9 04/89
34 TOTAL RECOV 20.000 0.0 20.000 20.000 UG/L 1 06/91 06/91
j5 DION DISSOLVED 108.455 4603 4300.000 -00.000 UG/L 101 03/19 08/96
36 TOTAL RECOV -20.000 0.0 -20.000 -20.000 UG/L 1 06/91 06/91
37 MANGANESE DISSOLVED 48.250 74.1 338.000 -180.000 UG/L 100 03/79 08N8
}g TOTAL RECOV -10.000 0.0 -10.000 -10.000 UG/L 1 06/'91 06/91